diff --git a/experimental/CHANGELOG.md b/experimental/CHANGELOG.md
index 992c239473..0b286f0bc9 100644
--- a/experimental/CHANGELOG.md
+++ b/experimental/CHANGELOG.md
@@ -21,6 +21,8 @@ All notable changes to experimental packages in this project will be documented
       * was used internally to keep track of the compression to use but was unintentionally exposed to the users. It allowed to read and write the value, writing, however, would have no effect.
 * feat(api-events)!: removed domain from the Events API [#4569](https://github.com/open-telemetry/opentelemetry-js/pull/4569)
 * fix(events-api)!: renamed EventEmitter to EventLogger in the Events API [#4569](https://github.com/open-telemetry/opentelemetry-js/pull/4568)
+* feat(api-logs)!: changed LogRecord body data type to AnyValue [#4575](https://github.com/open-telemetry/opentelemetry-js/pull/4575)
+and AnyValueMap types [#4575](https://github.com/open-telemetry/opentelemetry-js/pull/4575)
 
 ### :rocket: (Enhancement)
 
@@ -28,6 +30,7 @@ All notable changes to experimental packages in this project will be documented
 * refactor(instr-http): use exported strings for semconv. [#4573](https://github.com/open-telemetry/opentelemetry-js/pull/4573/) @JamieDanielson
 * perf(instrumentation-http): remove obvious temp allocations [#4576](https://github.com/open-telemetry/opentelemetry-js/pull/4576) @Samuron
 * feat(sdk-node): add `HostDetector` as default resource detector
+* feat(api-events): added data field to the Event interface [4575](https://github.com/open-telemetry/opentelemetry-js/pull/4575)
 
 ### :bug: (Bug Fix)
 
diff --git a/experimental/packages/api-events/package.json b/experimental/packages/api-events/package.json
index f1b40f080e..2c40d47717 100644
--- a/experimental/packages/api-events/package.json
+++ b/experimental/packages/api-events/package.json
@@ -61,7 +61,8 @@
     "access": "public"
   },
   "dependencies": {
-    "@opentelemetry/api": "^1.0.0"
+    "@opentelemetry/api": "^1.0.0",
+    "@opentelemetry/api-logs": "0.49.1"
   },
   "devDependencies": {
     "@types/mocha": "10.0.6",
diff --git a/experimental/packages/api-events/src/types/Event.ts b/experimental/packages/api-events/src/types/Event.ts
index 03e4ef89db..58456311cb 100644
--- a/experimental/packages/api-events/src/types/Event.ts
+++ b/experimental/packages/api-events/src/types/Event.ts
@@ -15,6 +15,7 @@
  */
 
 import { Attributes } from '@opentelemetry/api';
+import { AnyValue } from '@opentelemetry/api-logs';
 
 export interface Event {
   /**
@@ -27,6 +28,12 @@ export interface Event {
    */
   name: string;
 
+  /**
+   * Data that describes the event.
+   * Intended to be used by instrumentation libraries.
+   */
+  data?: AnyValue;
+
   /**
    * Additional attributes that describe the event.
    */
diff --git a/experimental/packages/api-events/tsconfig.esm.json b/experimental/packages/api-events/tsconfig.esm.json
index f0383c0042..91cc36db7a 100644
--- a/experimental/packages/api-events/tsconfig.esm.json
+++ b/experimental/packages/api-events/tsconfig.esm.json
@@ -11,6 +11,9 @@
   "references": [
     {
       "path": "../../../api"
+    },
+    {
+      "path": "../api-logs"
     }
   ]
 }
diff --git a/experimental/packages/api-events/tsconfig.esnext.json b/experimental/packages/api-events/tsconfig.esnext.json
index 218899ff2d..80e34599a9 100644
--- a/experimental/packages/api-events/tsconfig.esnext.json
+++ b/experimental/packages/api-events/tsconfig.esnext.json
@@ -11,6 +11,9 @@
   "references": [
     {
       "path": "../../../api"
+    },
+    {
+      "path": "../api-logs"
     }
   ]
 }
diff --git a/experimental/packages/api-events/tsconfig.json b/experimental/packages/api-events/tsconfig.json
index 5849e79c03..40ca71c181 100644
--- a/experimental/packages/api-events/tsconfig.json
+++ b/experimental/packages/api-events/tsconfig.json
@@ -12,6 +12,9 @@
   "references": [
     {
       "path": "../../../api"
+    },
+    {
+      "path": "../api-logs"
     }
   ]
 }
diff --git a/experimental/packages/api-logs/src/index.ts b/experimental/packages/api-logs/src/index.ts
index 34b4d8e20e..3ea2ae39c8 100644
--- a/experimental/packages/api-logs/src/index.ts
+++ b/experimental/packages/api-logs/src/index.ts
@@ -18,6 +18,7 @@ export * from './types/Logger';
 export * from './types/LoggerProvider';
 export * from './types/LogRecord';
 export * from './types/LoggerOptions';
+export * from './types/AnyValue';
 export * from './NoopLogger';
 export * from './NoopLoggerProvider';
 
diff --git a/experimental/packages/api-logs/src/types/AnyValue.ts b/experimental/packages/api-logs/src/types/AnyValue.ts
new file mode 100644
index 0000000000..7a97de7ed6
--- /dev/null
+++ b/experimental/packages/api-logs/src/types/AnyValue.ts
@@ -0,0 +1,29 @@
+/*
+ * Copyright The OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { AttributeValue } from '@opentelemetry/api';
+
+/**
+ * AnyValueMap is a map from string to AnyValue (attribute value or a nested map)
+ */
+export interface AnyValueMap {
+  [attributeKey: string]: AnyValue | undefined;
+}
+
+/**
+ * AnyValue is a either an attribute value or a map of AnyValue(s)
+ */
+export type AnyValue = AttributeValue | AnyValueMap;
diff --git a/experimental/packages/api-logs/src/types/LogRecord.ts b/experimental/packages/api-logs/src/types/LogRecord.ts
index 69dd14f7cb..85d5e4ff4d 100644
--- a/experimental/packages/api-logs/src/types/LogRecord.ts
+++ b/experimental/packages/api-logs/src/types/LogRecord.ts
@@ -14,12 +14,11 @@
  * limitations under the License.
  */
 
-import { AttributeValue, Context, TimeInput } from '@opentelemetry/api';
+import { Context, TimeInput } from '@opentelemetry/api';
+import { AnyValue, AnyValueMap } from './AnyValue';
 
-export type LogAttributeValue = AttributeValue | LogAttributes;
-export interface LogAttributes {
-  [attributeKey: string]: LogAttributeValue | undefined;
-}
+export type LogBody = AnyValue;
+export type LogAttributes = AnyValueMap;
 
 export enum SeverityNumber {
   UNSPECIFIED = 0,
@@ -73,7 +72,7 @@ export interface LogRecord {
   /**
    * A value containing the body of the log record.
    */
-  body?: string;
+  body?: LogBody;
 
   /**
    * Attributes that define the log record.
diff --git a/experimental/packages/sdk-logs/src/LogRecord.ts b/experimental/packages/sdk-logs/src/LogRecord.ts
index d827c7fa1d..abc4f45285 100644
--- a/experimental/packages/sdk-logs/src/LogRecord.ts
+++ b/experimental/packages/sdk-logs/src/LogRecord.ts
@@ -26,7 +26,7 @@ import type { IResource } from '@opentelemetry/resources';
 
 import type { ReadableLogRecord } from './export/ReadableLogRecord';
 import type { LogRecordLimits } from './types';
-import { LogAttributes } from '@opentelemetry/api-logs';
+import { LogAttributes, LogBody } from '@opentelemetry/api-logs';
 import { LoggerProviderSharedState } from './internal/LoggerProviderSharedState';
 
 export class LogRecord implements ReadableLogRecord {
@@ -38,7 +38,7 @@ export class LogRecord implements ReadableLogRecord {
   readonly attributes: logsAPI.LogAttributes = {};
   private _severityText?: string;
   private _severityNumber?: logsAPI.SeverityNumber;
-  private _body?: string;
+  private _body?: LogBody;
   private totalAttributesCount: number = 0;
 
   private _isReadonly: boolean = false;
@@ -64,13 +64,13 @@ export class LogRecord implements ReadableLogRecord {
     return this._severityNumber;
   }
 
-  set body(body: string | undefined) {
+  set body(body: LogBody | undefined) {
     if (this._isLogRecordReadonly()) {
       return;
     }
     this._body = body;
   }
-  get body(): string | undefined {
+  get body(): LogBody | undefined {
     return this._body;
   }
 
@@ -157,7 +157,7 @@ export class LogRecord implements ReadableLogRecord {
     return this;
   }
 
-  public setBody(body: string) {
+  public setBody(body: LogBody) {
     this.body = body;
     return this;
   }
diff --git a/experimental/packages/sdk-logs/src/export/ReadableLogRecord.ts b/experimental/packages/sdk-logs/src/export/ReadableLogRecord.ts
index 2dc3ece865..2af71de76b 100644
--- a/experimental/packages/sdk-logs/src/export/ReadableLogRecord.ts
+++ b/experimental/packages/sdk-logs/src/export/ReadableLogRecord.ts
@@ -17,7 +17,11 @@
 import type { IResource } from '@opentelemetry/resources';
 import type { HrTime, SpanContext } from '@opentelemetry/api';
 import type { InstrumentationScope } from '@opentelemetry/core';
-import type { LogAttributes, SeverityNumber } from '@opentelemetry/api-logs';
+import type {
+  LogBody,
+  LogAttributes,
+  SeverityNumber,
+} from '@opentelemetry/api-logs';
 
 export interface ReadableLogRecord {
   readonly hrTime: HrTime;
@@ -25,7 +29,7 @@ export interface ReadableLogRecord {
   readonly spanContext?: SpanContext;
   readonly severityText?: string;
   readonly severityNumber?: SeverityNumber;
-  readonly body?: string;
+  readonly body?: LogBody;
   readonly resource: IResource;
   readonly instrumentationScope: InstrumentationScope;
   readonly attributes: LogAttributes;